Home / 110,668,141.70-166,002,212.55-109,156,487.30

Finding the Fourth Proportional to 110,668,141.70, 166,002,212.55 and 109,156,487.30

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Solution

The fourth proportional to 110,668,141.70, 166,002,212.55 and 109,156,487.30 is: 163,734,730.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,668,141.70 : 166,002,212.55 = 109,156,487.30 : x
  2. Step 2: Convert to fraction form
    110,668,141.70/166,002,212.55 = 109,156,487.30/x
  3. Step 3: Cross multiply
    110,668,141.70x = 166,002,212.55 × 109,156,487.30
  4. Step 4: Simplify right side
    110,668,141.70x = 18,120,218,405,985,976
  5. Step 5: Solve for x
    x = 18,120,218,405,985,976/110,668,141.70
  6. Step 6: Final answer
    x = 163,734,730.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.